After more than a century of global dominance, it is human nature for the United States and its citizens to feel a bit uneasy with the rise of China.

FORBES: Our Unproductive Fear and Loathing of China

On a continent where being very rich still carries faint implications of impropriety, many Europeans feel uneasy with the idea of competing to demonstrate public generosity.

ECONOMIST: Why a new golden age of philanthropy may be dawning

You feel uneasy and think of something you need to discuss with him or her.

WSJ: What Makes People Overshare?